arrange the following fractions starting with lowest

1.2/4,3/9,3/15,25/100
2.5/15,2/8,3/6
3.2/10,4/12,4/20
4.4/16,20/100
5.4/8,3/12,5/10,6/18
6.2/5,6/10,13/20,31/50
7.11/25,1/4,3/50

Either change the fractions to their equivalents with a common denominator -- or change them to decimals